I.V. flow regulator



FIG. 1 is a top perspective view of an I.V. flow regulator, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side perspective view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front side elevational view thereof; and,

FIG. 6 is a back side elevational view thereof. 

The ornamental design for an I.V. flow regulator, as shown and described. 